My NSX manager giving the subject error and NSX management service is also stopped. When i try to start the service manually but it fails. I have also check the nsx-manager logs through "show log manager reverse" command but could not find the error.

I have not upgraded the NSX version and i am using the NSX version 6.2. The vcenter also giving the srror when i click on networking and security dashboad "No NSX manager available. Verify current user has role assigned on NSX Manager. Actually i have reboot the Vcenter server and NSX manager due to space issue after that i am facing this issue.

The vNIC of the NSX Manager is standardised on VMXNet3, which is fine under normal circumstances. The trick is to set the vNIC type to e1000. When you deploy the NSX Manager 6.2.1 with a e1000 vNIC, all required services boot up like you’d expect them to

The JDBC errors seem to be related with the PostgreSQL Db of the NSX Manager, which is internal. On the NSX Troubleshooting document there are no detailed explanation of how to check if the Internal DB is healthy, mostly concentrating on the outbound tcp connections. If the vPostgres service is also not running on the Summary page, then it may be concentrated on troubleshooting of first this service, since NSX Management service is the main service, which may depend on other services to start.

One workaraound could be to restore NSX manager backup taken before the problem, but this would not solve the problem itself and may recreate if the root cause is not clear.

Dear i am execute the command "debug packet display interface mgmt port_80_or_port_443" and it is communicating one the controller three controllers i have configured. I can also access through ssh all the controllers. Moreover vPostgres and RabbitMQ sevices are running. I am also made one change. NSX Manager network card giving warning on Network adapter VMXNET type. The warning gone when i change it to e1000. But on both cases the nsx manager services is not running.